print(list(range(9)))  # 0 -> 9
print(list(range(1, 9)))  # 1 -> 9
print(list(range(1, 9, 2)))  # 1 -> 9, 每隔两个
print(list(range(1, 9, 4)))  # 1 -> 9, 每隔四个

# ange(5, -1, -1)来打印 i，结果将从 5 降至 0

'''
[0, 1, 2, 3, 4, 5, 6, 7, 8]
[1, 2, 3, 4, 5, 6, 7, 8]
[1, 3, 5, 7]
[1, 5]
'''